Neewer Professional DSLR Rig Set Movie Kit Film Making System for All DSLR Cameras and Video Camcorders,Include:Shoulder Mount+Follow Focus+Matte Box+C-shaped Bracket and Top Handle Gear Nylon and ABS Dial Index Adjustment: 360 degree Gear drive can be mounted from either side (works for both right-handed and left-handed). 1/4" female adapter at bottom Lens Max support up to 77 mm. Compatible with all DSLR cameras, DV;Ideal for making video with movable scene or micro shoots Compatible with industry standard 15 mm Rods Neewer&reg; Professional DSLR Rig Set Movie Kit Film Making System, include Follow Focus;Matte Box;Shoulder Mount;C-shaped Bracket and Top Handle for All DSLR Cameras and Video Camcorders, Gear Nylon and ABS Dial Index Adjustment: 360degree^Gear drive can be mounted from either side (works for both right-handed and left-handed).^1/4" female adapter at bottom Lens Max support up to 77mm.^Compatible with all DSLR cameras, DV;Ideal for making video with movable scene or micro shoots.^Compatible with industry standard 15 mm Rods.